JP2010118131A - ディスク・ドライブ装置、クリアランス測定方法及びサーボ・パターンの書き込み方法 - Google Patents

ディスク・ドライブ装置、クリアランス測定方法及びサーボ・パターンの書き込み方法 Download PDF

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Publication number
JP2010118131A
JP2010118131A JP2008292850A JP2008292850A JP2010118131A JP 2010118131 A JP2010118131 A JP 2010118131A JP 2008292850 A JP2008292850 A JP 2008292850A JP 2008292850 A JP2008292850 A JP 2008292850A JP 2010118131 A JP2010118131 A JP 2010118131A
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JP
Japan
Prior art keywords
head
head slider
clearance
servo
actuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2008292850A
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English (en)
Japanese (ja)
Other versions
JP2010118131A5 (enExample
Inventor
Manabu Saikawa
学 齋川
Atsushi Takechi
淳 武市
Yuki Hashimoto
祐樹 橋本
Kenji Kuroki
賢二 黒木
Mitsuhiro Shoda
光広 正田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HGST Netherlands BV
HGST Inc
Original Assignee
Hitachi Global Storage Technologies Netherlands BV
Hitachi Global Storage Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Global Storage Technologies Netherlands BV, Hitachi Global Storage Technologies Inc filed Critical Hitachi Global Storage Technologies Netherlands BV
Priority to JP2008292850A priority Critical patent/JP2010118131A/ja
Priority to US12/618,685 priority patent/US8018673B2/en
Publication of JP2010118131A publication Critical patent/JP2010118131A/ja
Publication of JP2010118131A5 publication Critical patent/JP2010118131A5/ja
Pending legal-status Critical Current

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59633—Servo formatting
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59633—Servo formatting
    • G11B5/59638—Servo formatting apparatuses, e.g. servo-writers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G11B5/6011—Control of flying height
    • G11B5/6064—Control of flying height using air pressure

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP2008292850A 2008-11-14 2008-11-14 ディスク・ドライブ装置、クリアランス測定方法及びサーボ・パターンの書き込み方法 Pending JP2010118131A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008292850A JP2010118131A (ja) 2008-11-14 2008-11-14 ディスク・ドライブ装置、クリアランス測定方法及びサーボ・パターンの書き込み方法
US12/618,685 US8018673B2 (en) 2008-11-14 2009-11-13 Disk drive, method for measuring clearance and method for writing servo patterns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008292850A JP2010118131A (ja) 2008-11-14 2008-11-14 ディスク・ドライブ装置、クリアランス測定方法及びサーボ・パターンの書き込み方法

Publications (2)

Publication Number Publication Date
JP2010118131A true JP2010118131A (ja) 2010-05-27
JP2010118131A5 JP2010118131A5 (enExample) 2011-11-24

Family

ID=42171848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008292850A Pending JP2010118131A (ja) 2008-11-14 2008-11-14 ディスク・ドライブ装置、クリアランス測定方法及びサーボ・パターンの書き込み方法

Country Status (2)

Country Link
US (1) US8018673B2 (enExample)
JP (1) JP2010118131A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022051129A (ja) * 2020-09-18 2022-03-31 株式会社東芝 磁気ディスク装置および方法
JP2023045172A (ja) 2021-09-21 2023-04-03 株式会社東芝 磁気ディスク装置の製造方法および磁気ディスク装置
US12165681B1 (en) * 2023-09-15 2024-12-10 Western Digital Technologies, Inc. Touchdown detection and write-spacing setting in magnetic recording heads with protruding features

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63281266A (ja) * 1987-05-13 1988-11-17 Mitsubishi Electric Corp 情報記憶装置
JPS63281265A (ja) * 1987-05-13 1988-11-17 Mitsubishi Electric Corp 情報記憶装置
JP2007042239A (ja) * 2005-08-04 2007-02-15 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置及び磁気ディスク装置の製造方法
JP2007179723A (ja) * 2005-12-27 2007-07-12 Hitachi Global Storage Technologies Netherlands Bv 磁気記録ディスクドライブの浮上高アクチュエータを校正し制御するシステムおよび方法
JP2008243266A (ja) * 2007-03-26 2008-10-09 Hitachi Global Storage Technologies Netherlands Bv 磁気記録媒体、磁気記録媒体へのサーボ記録方法、磁気記録装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7088532B1 (en) * 2001-04-19 2006-08-08 Maxtor Corporation Head-disk interface preconditioning using write current before servo track write
JP4979894B2 (ja) 2005-03-25 2012-07-18 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 磁気ディスク装置
US20080030888A1 (en) * 2006-05-22 2008-02-07 Maxtor Corporate Transducer fly height distribution range reduction
JP2009087405A (ja) * 2007-09-27 2009-04-23 Hitachi Global Storage Technologies Netherlands Bv ディスク・ドライブ装置、その製造方法及びクリアランス調整するヒータのヒータ・パワー値を設定する方法
US7630162B2 (en) * 2008-02-04 2009-12-08 Western Digital Technologies, Inc. Disk drive servoing off of first head while determining fly height for second head

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63281266A (ja) * 1987-05-13 1988-11-17 Mitsubishi Electric Corp 情報記憶装置
JPS63281265A (ja) * 1987-05-13 1988-11-17 Mitsubishi Electric Corp 情報記憶装置
JP2007042239A (ja) * 2005-08-04 2007-02-15 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置及び磁気ディスク装置の製造方法
JP2007179723A (ja) * 2005-12-27 2007-07-12 Hitachi Global Storage Technologies Netherlands Bv 磁気記録ディスクドライブの浮上高アクチュエータを校正し制御するシステムおよび方法
JP2008243266A (ja) * 2007-03-26 2008-10-09 Hitachi Global Storage Technologies Netherlands Bv 磁気記録媒体、磁気記録媒体へのサーボ記録方法、磁気記録装置

Also Published As

Publication number Publication date
US8018673B2 (en) 2011-09-13
US20100123970A1 (en) 2010-05-20

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